Breakouts:

site type timestamp offset
LDLL-0030 level 2017-07-05 23:00:00 -6.69
LDLL-0030 level 2017-07-10 23:00:00 11.01
LDLL-0030 level 2017-07-17 02:00:00 -3.16
LDLL-0030 level 2017-07-23 14:00:00 7.42
LDLL-0030 level 2017-07-28 21:00:00 -13.09
LDLL-0030 level 2017-08-04 21:00:00 10.67
LDLL-0030 level 2017-08-10 01:00:00 -7.57
USE-0400 level 2017-08-07 01:00:00 11.05
USE-0400 level 2017-08-15 22:00:00 -12.19
USE-0400 level 2017-08-25 07:00:00 0.40
LSE-0015 level 2017-07-31 20:00:00 -10.41
LSE-0015 velocity 2017-08-05 18:00:00 1.14
IALL-0008 level 2017-08-05 03:00:00 8.09
IALL-0008 level 2017-08-23 12:00:00 -10.24
IALL-0008 velocity 2017-07-31 21:00:00 -1.08
IALL-0008 velocity 2017-08-22 10:00:00 0.85
LDLL-0047 level 2017-07-09 21:00:00 7.37
LDLL-0047 level 2017-07-14 22:00:00 -5.16
LDLL-0047 level 2017-07-19 22:00:00 6.52
LDLL-0047 level 2017-07-28 21:00:00 -9.43
LDLL-0047 level 2017-08-04 19:00:00 9.95
LDLL-0047 level 2017-08-10 02:00:00 -7.26
THL-0085 velocity 2017-08-27 10:00:00 1.81
THL-0085 velocity 2017-09-07 15:00:00 -1.55
THL-0085 velocity 2017-09-16 12:00:00 0.88
OA-0020 velocity 2017-07-08 13:00:00 -0.87
OA-0020 velocity 2017-07-14 01:00:00 0.70
OA-0020 velocity 2017-07-26 06:00:00 -0.58
OA-0020 velocity 2017-08-01 05:00:00 1.11
OA-0020 velocity 2017-08-08 11:00:00 -1.14
OA-0020 velocity 2017-08-18 16:00:00 1.07
OA-0020 velocity 2017-09-10 16:00:00 -1.17
OA-0020 velocity 2017-09-16 05:00:00 0.71
OA-0020 velocity 2017-09-21 12:00:00 -1.41
S50-011230 level 2017-09-17 10:00:00 -0.82
S50-011230 velocity 2017-09-15 10:00:00 -0.47

Appendix: A complete list of monitored sites